Physiology - Action potential Quiz
Unlock the Power of Action Potentials!
Test your knowledge of neuronal action potentials with our engaging quiz! Dive into the fascinating world of physiology and discover how neurons communicate through electrical impulses. This quiz is perfect for students, teachers, and anyone interested in neuroscience.
- Learn about voltage-gated channels
- Explore the concept of depolarization and repolarization
- Challenge your understanding with multiple-choice questions
At what membrane voltage do neuronal voltage-gated K+ channels become activated?
ˆ’70mV
ˆ’50 mV
0 mV
+30 mV
None of the above
Upon opening, voltage-gated K+ channels of neurons enter an inactivate state in a manner similar to voltage-gated Na+ channels of neurons.
False
True
Electrical impulses accumulate in which part of a neuron, in order to initiate an action potential?
Dendrites
Axon hillock
Axon terminal branches
Node of Ranvier
The opening of axon membrane voltage-gated potassium channels is responsible for which part of the action potential?
Depolarisation of the membrane
Contraction of the post synaptic muscle fiber
Signalling vesicular release of neurotransmitters
Repolarisation of the membrane
Of a neuron that receives information from other neurons
Axon
Myelin sheath
Dendrites
Synapse
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